Dictionary definition · eat
verb
- take in solid food"She was eating a banana"
- eat a meal; take a meal"We did not eat until 10 P.M. because there were so many phone calls"
- take in food; used of animals only"This dog doesn't eat certain kinds of meat"
- worry or cause anxiety in a persistent way"What's eating you?"
- use up (resources or materials)"this car consumes a lot of gas"
- cause to deteriorate due to the action of water, air, or an acid"The acid corroded the metal"
Source: Open English WordNet (CC BY 4.0).